pin diode antenna switch

The TTFD-2 antenna - The lowest-cost approach for home brewing broadband, general-purpose antenna for shortwaves

PV6 Yagi antenna - 6 elements yagi beam for 15 meters band, by T73M

2 meter Quagi 97  ^pop - Dimensions and plan to build a W5UN EME quagi antenna

Quad calculator  ^{updated  pop} - Cubical quad antenna calculator in java script

AM Antennas  ^pop - The ultimate AM loop antenna article. It is the only article that includes the calculations and detailed plans

The Carpet loop indoor antenna  ^pop - High performance indoor shortwave antenna, the Carpet Loop II is an ideal step upward for the listener who wants something better than a random wire but doesn't want the expensive dice roll of an active antenna.

GM3MXN Magnetic Loop Antenna - This article describes a loop usable from 7 - 21 mHz, using half inch copper tube 3 feet in circumference

Cubical Quad Antenna Design  ^pop - By N6VNG, can be used to determine the element lengths and the gamma match values for different frequencies, includes link to excel files with formulas to dimension your quad antenna.

CB Quad antenna  ^pop - A low-cost and easy to build Quad antenna tuned for CB band on 27 Mhz.

Joby's Rhombic Ranch - Rhombic antennas plans

Inverted L antenna  ^pop - The ever-popular inverted L antnna, a fast to implement and setup shortwave antenna project by Arnie Coro C02KK

1270Mhz Yagi Antenna - Build your own antenna for the 23cm band ( 1250Mhz - 1280Mc ) using some aluminium and this simple design.

43AX101 Ben Priority listing - Home page of 43AX101- Ben. Practical informative site for 11-meter operators DX-ing the South Pacific, DIY antennas,propagation & monitor updated daily.

Mr coily  ^updated - Base and mobile antennas,custom ball mounts, single, double, triple coil antennas, flat coils.

Wellbrook Communications - Broadband active loop antennas for radio amateurs and hobbyists

RT Systems - Online shopping, Programming Software, Icom, Yeasu, Kenwood, Istron, HyGain, MFJ, cat cables interfaces and other radio control cables.

Intek - CB radios, VHF transceivers, scanners antennas and accessories

Diamond Antenna  ^pop - Base station and repeater antennas, mobile antennas, ,multi-band HF antennas , handheld transceivers, receiving and scanner antennas, power meters, swr meters, power supplies, coaxial switches

Project Bambi - An amateur observatory using a 4 GHz TVRO antenna.

Flexnet Group - A German group of hams who spend their time developing software for Amateur packet radio. Their main project is the PC/FlexNet package.

B&W Antennas instructions - Antennas instructins and installations

I.L. Elettronica srl - Import-export telecommunication equipment Cushcraft Antenna Italian dealer, Kenwood Yaesu Icom Dealer

PolarPlot - Freeware antenna software that lets you see what the polar diagram of your rotatable beam actually looks like where it is operating. With PolarPlot you can measure the polar diagram of the antenna and check for abnormalities - compare plots taken before and after changes to the design or location - check the -3dB beamwidth - look at the front to back ratio - see the size and position of the sidelobes.

Field strenght meter - Simple to build with a very clear instruction set, useful to check the radiated power of your antennas

Defpom CB and HAM radio mods  ^{updated  pop} - Circuit diagrams, CB and HAM mods, alignments, data sheets and pinouts, a massive site with over 600 pages of free info